<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="css/index.css"/>
    <link rel="stylesheet" href="../../../css/index.css">

<!--    <script src="./index.css"></script>-->
</head>
<body>
    <div class="aaa">Hello taozijie</div>

</body>
</html>